package com.cy.pj.arithmetic.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class ArithmeticController {
    @ExceptionHandler(ArithmeticException.class)
    @ResponseBody
    public String doHandleArithmeticException(ArithmeticException e){
        e.printStackTrace();
        return "计算过程中出现了异常，异常信息为"+e.getMessage();
    }
    @RequestMapping("doCompute/{n1}/{n2}")//http://localhost/doCompute/10/2
    @ResponseBody
    public String doCompute(@PathVariable Integer n1, @PathVariable Integer n2){
        //try{
            Integer result=n1/n2;
            return "Result is "+result;
//        }catch(ArithmeticException e){
//            return "exception is "+e.getMessage();
//        }
    }
}
